Finding the Fourth Proportional to 8,076.93, 12,112.32 and 3,691.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,076.93 : 12,112.32 = 3,691.31 : x
2. Step 2: Convert to fraction form
   8,076.93/12,112.32 = 3,691.31/x
3. Step 3: Cross multiply
   8,076.93x = 12,112.32 × 3,691.31
4. Step 4: Simplify right side
   8,076.93x = 44,710,358.22
5. Step 5: Solve for x
   x = 44,710,358.22/8,076.93
6. Step 6: Final answer
   x = 5,535.56